<h2>Comments</h2>
<pre><code># This is a comment</code></pre>

<h2>Strings</h2>
<pre><code>""
"foo \"bar\" baz"</code></pre>

<h2>Numbers</h2>
<pre><code>0
42
3.14159
-9e-5
0.9E+7</code></pre>

<h2>Keywords</h2>
<pre><code>query withFragments {
  user(id: 4) {
    friends(first: 10) {
      ...friendFields
    }
    mutualFriends(first: 10) {
      ...friendFields
    }
  }
}

fragment friendFields on User {
  id
  name
  profilePic(size: 50)
}</code></pre>